import pandas as pd
import numpy as np
import matplotlib.pyplot as plt
# plt.plot([0.5,1,2,3.5],[1,2,3,4])
# plt.ylabel("I am from y axis")
# plt.title("I am title")
# plt.show()
from builtins import print

X = np.arange(-np.pi, np.pi, 0.1)
# print(X)


Y = np.sin(X)
plt.plot(X,Y)
plt.title("this is title")
plt.show()

# print("------------")
# print(type(range(5)))
# for ele in range(5):
#     print(ele**2)